Physics How much mechanical work must be done to completely melt 1 gram of ice at 0°C ? 4.2 J 336 J 80 J 2268 J 4.2 J 336 J 80 J 2268 J ANSWER DOWNLOAD EXAMIANS APP
Physics Radiocarbon is produced in the atmosphere as a result of Action of ultraviolet light from the sun on atmospheric oxygen. Lightning discharge in atmosphere. Collision between fast neutrons and nitrogen nuclei present in the atmosphere. Action of solar radiations particularly cosmic rays on carbon dioxide present in the atmosphere. Action of ultraviolet light from the sun on atmospheric oxygen. Lightning discharge in atmosphere. Collision between fast neutrons and nitrogen nuclei present in the atmosphere. Action of solar radiations particularly cosmic rays on carbon dioxide present in the atmosphere. ANSWER DOWNLOAD EXAMIANS APP
Physics The large collection of stars, dust and gas held together by gravitational attraction between components is known as Galaxy Sun Family Cluster Atmosphere Galaxy Sun Family Cluster Atmosphere ANSWER DOWNLOAD EXAMIANS APP
Physics Solar cells work on the principle of Photosynthesis Photoelectric effect Photovoltaic effect Photoconductive effect Photosynthesis Photoelectric effect Photovoltaic effect Photoconductive effect ANSWER DOWNLOAD EXAMIANS APP
Physics Which set of conditions represents the easiest way to liquify a gas ? High temperature and high pressure High temperature and low pressure Low temperature and low pressure Low temperature and high pressure High temperature and high pressure High temperature and low pressure Low temperature and low pressure Low temperature and high pressure ANSWER DOWNLOAD EXAMIANS APP
Physics Sound of frequency below 20 Hz is called supersonics audio sounds ultrasonic infrasonic supersonics audio sounds ultrasonic infrasonic ANSWER DOWNLOAD EXAMIANS APP